本文實例講述了JS實現自動切換文字的導航效果代碼。分享給大家供大家參考。具體如下：
這里介紹支持自動切換文字的導航菜單效果，實際上看上去并不像菜單，猛一看倒像是一個Select下拉框，兩側帶有箭頭控制按鈕，點擊左側則向上切換菜單文字，點擊右側則切換到一個菜單項內容，也可自動切換，鼠標不點擊的時候菜單會自動變化文字。
運行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/js-auto-cha-font-nav-style-codes/
具體代碼如下：
<HTML><HEAD><TITLE>變化的文字導航條</TITLE><META http-equiv=Content-Type content="text/html; charset=gb2312"></HEAD><BODY bgColor=#fef4d9><CENTER>變化的文字導航條</CENTER><BR><CENTER><TABLE borderColor=#99FFFF border=5 borderlight="green"> <TBODY> <TR> <TD> <STYLE>.scrollerstyle {BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BACKGROUND: #ffffff; BORDER-LEFT: #000000 1px solid; CURSOR: hand; BORDER-BOTTOM: #000000 1px solid; FONT-FAMILY: webdings}</STYLE><SCRIPT language=javascript> var msgs = new Array( "歡迎光臨小站", "網易娛樂", "搜狐門戶", "央視國際" ); var msg_url = new Array( "http://www.sina.com", "http://www.163.com", "http://www.sohu.com", "http://www.cctv.com" ); var target_url = new Array( "0", "0", "0", "1" );var barwidth=350 //Enter main bar width in px or %var setdelay=2000 //Enter delay between msgs, in mili-secondsvar mouseover_color='#B5D0FF' //Specify highlight colorvar mouseout_color='#FFFFFF' //Specify default colorvar count=0;var ns6=document.getElementById&&!document.allvar ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1if (ie4||ns6){document.write('<form name="news_bar"><input type="button" value="3" onclick="moveit(0)" class="scrollerstyle" style="width:22; height:22; border-right-width:0px;" name="prev" title="Previous News"><input type="button" name="news_bar_but" onclick="goURL();" style="color:#000000;background:' + mouseout_color + '; width:'+barwidth+'; height:22; border-width:1; border-color:#000000; cursor:hand" onmouseover="this.style.background=mouseover_color" onmouseout="this.style.background=mouseout_color"><input type="button" value="4" onclick="moveit(1)" class="scrollerstyle" style="width:22; height:22; border-left-width:0px;" name="next" title="Next News"></form>');}else{document.write('<form name="news_bar"><input type="button" value="Previous" onclick="moveit(0)">')if (navigator.userAgent.indexOf("Opera")!=-1)document.write('<input type="button" name="news_bar_but" onclick="goURL();" style="width:'+barwidth+'" border="0">')elsedocument.write('<input type="button" name="news_bar_but" onclick="goURL();" width="'+barwidth+'" border="0">')document.write('<input type="button" value="Next" onclick="moveit(1)"></form>')}function init_news_bar(){ document.news_bar.news_bar_but.value=msgs[count];}function moveit(how){if (how==1){ //cycle fowardif (count<msgs.length-1)count++elsecount=0}else{ //cycle backwardif (count==0)count=msgs.length-1elsecount--}document.news_bar.news_bar_but.value=msgs[count];}function tick_bar(){setInterval("moveit(1)",setdelay)}function goURL(){ if(target_url[count]=="0") { location.href=msg_url[count]; } else { window.open(msg_url[count]); }}tick_bar(); // delete this line if you don't want messages to tickinit_news_bar();</SCRIPT> </TD></TR></TBODY></TABLE></CENTER></BODY></HTML>希望本文所述對大家的javascript程序設計有所幫助。
新聞熱點
疑難解答
